Continuity mistake: There is an error in the scene where Dave is drafting behind the Cinzano truck. In the second close up shot of his legs (cranks) pedaling the bike he is in a lower (easier) gear than the previous shot even though he is supposed to be riding significantly faster.
Continuity mistake: The Black Stallion was played by a horse with white markings; it's occasionally possible to see them under the black dye, especially during the desert scenes.
Continuity mistake: When Apollo Creed is approaching the ring for the rematch at the end of the film, his robe starts off done-up, next shot shows it undone and the towel around his neck loose, and then in the last shot it's back to being neat again with the robe done up. Even when he enters the ring it's all neat and tidy. (01:32:40)
Visible crew/equipment: After 'She's A Lady' takes a spill on the track, TJ runs toward her and when Billy grabs him and picks him up TJ's t-shirt and hoodie go up and the microphone/wire/gear attached to him are visible on his back. (00:30:45)
Plot hole: Though there's supposed to be a championship football game taking place near the end of the movie, the stadium is strangely devoid of fans. A meager effort was made to fill some seats, but most of the shots show empty ones. It also looks as if the production crew tried to save money by using only half the stadium lights.